source: trunk/src/shell32/new/pidl.cpp@ 795

Last change on this file since 795 was 795, checked in by phaller, 26 years ago

.
File size: 34.8 KB
Line 
1/*
2 * pidl Handling
3 *
4 * Copyright 1998 Juergen Schmied
5 *
6 * NOTES
7 * a pidl == NULL means desktop and is legal
8 *
9 */
10
11#include <ctype.h>
12#include <stdlib.h>
13#include <string.h>
14#include <assert.h>
15#include <odin.h>
16
17#define ICOM_CINTERFACE 1
18#define CINTERFACE 1
19
20#include "debugtools.h"
21#include "shell.h"
22#include "shlguid.h"
23#include "winerror.h"
24#include "winnls.h"
25#include "winversion.h"
26#include "shell32_main.h"
27
28#include "pidl.h"
29#include "wine/undocshell.h"
30
31#include <heapstring.h>
32#include <misc.h>
33
34DECLARE_DEBUG_CHANNEL(pidl)
35DECLARE_DEBUG_CHANNEL(shell)
36
37void pdump (LPCITEMIDLIST pidl)
38{ DWORD type;
39 char * szData;
40 char * szShortName;
41 char szName[MAX_PATH];
42 BOOL bIsShellDebug;
43
44 LPITEMIDLIST pidltemp = pidl;
45 if (!TRACE_ON(pidl))
46 return;
47
48 /* silence the sub-functions */
49 bIsShellDebug = TRACE_ON(shell);
50 __SET_DEBUGGING(__DBCL_TRACE, dbch_shell, FALSE);
51 __SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, FALSE);
52
53 if (! pidltemp)
54 {
55 MESSAGE ("-------- pidl=NULL (Desktop)\n");
56 }
57 else
58 {
59 MESSAGE ("-------- pidl=%p\n", pidl);
60 if (pidltemp->mkid.cb)
61 {
62 do
63 {
64 type = _ILGetDataPointer(pidltemp)->type;
65 szData = _ILGetTextPointer(type, _ILGetDataPointer(pidltemp));
66 szShortName = _ILGetSTextPointer(type, _ILGetDataPointer(pidltemp));
67 _ILSimpleGetText(pidltemp, szName, MAX_PATH);
68
69 MESSAGE ("-- pidl=%p size=%u type=%lx name=%s (%s,%s)\n",
70 pidltemp, pidltemp->mkid.cb,type,szName,debugstr_a(szData), debugstr_a(szShortName));
71
72 pidltemp = ILGetNext(pidltemp);
73
74 } while (pidltemp->mkid.cb);
75 }
76 else
77 {
78 MESSAGE ("empty pidl (Desktop)\n");
79 }
80 }
81
82 __SET_DEBUGGING(__DBCL_TRACE, dbch_shell, bIsShellDebug);
83 __SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, TRUE);
84
85}
86#define BYTES_PRINTED 32
87BOOL pcheck (LPCITEMIDLIST pidl)
88{ DWORD type, ret=TRUE;
89 BOOL bIsPidlDebug;
90
91 LPITEMIDLIST pidltemp = pidl;
92
93 bIsPidlDebug = TRACE_ON(shell);
94 __SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, FALSE);
95
96 if (pidltemp && pidltemp->mkid.cb)
97 { do
98 { type = _ILGetDataPointer(pidltemp)->type;
99 switch (type)
100 { case PT_DESKTOP:
101 case PT_MYCOMP:
102 case PT_SPECIAL:
103 case PT_DRIVE:
104 case PT_DRIVE1:
105 case PT_DRIVE2:
106 case PT_DRIVE3:
107 case PT_FOLDER:
108 case PT_VALUE:
109 case PT_FOLDER1:
110 case PT_WORKGRP:
111 case PT_COMP:
112 case PT_NETWORK:
113 case PT_SHARE:
114 case PT_IESPECIAL:
115 break;
116 default:
117 {
118 char szTemp[BYTES_PRINTED*4 + 1];
119 int i;
120 unsigned char c;
121
122 memset(szTemp, ' ', BYTES_PRINTED*4 + 1);
123 for ( i = 0; (i<pidltemp->mkid.cb) && (i<BYTES_PRINTED); i++)
124 {
125 c = ((unsigned char *)pidltemp)[i];
126
127 szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
128 szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
129 szTemp[i*3+2] = ' ';
130 szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.';
131 }
132 szTemp[BYTES_PRINTED*4] = 0x00;
133 ERR_(pidl)("unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
134 ret = FALSE;
135 }
136 }
137 pidltemp = ILGetNext(pidltemp);
138 } while (pidltemp->mkid.cb);
139 }
140 __SET_DEBUGGING(__DBCL_TRACE, dbch_pidl, bIsPidlDebug);
141 return ret;
142}
143
144
145/*************************************************************************
146 * ILGetDisplayName [SHELL32.15]
147 */
148BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
149{
150 TRACE_(shell)("pidl=%p %p semi-stub\n",pidl,path);
151 return SHGetPathFromIDListA(pidl, path);
152}
153/*************************************************************************
154 * ILFindLastID [SHELL32.16]
155 *
156 * NOTES
157 * observed: pidl=Desktop return=pidl
158 */
159LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
160{ LPITEMIDLIST pidlLast = pidl;
161
162 TRACE_(pidl)("(pidl=%p)\n",pidl);
163
164 while (pidl->mkid.cb)
165 {
166 pidlLast = pidl;
167 pidl = ILGetNext(pidl);
168 }
169 return pidlLast;
170}
171/*************************************************************************
172 * ILRemoveLastID [SHELL32.17]
173 *
174 * NOTES
175 * when pidl=Desktop return=FALSE
176 */
177BOOL WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
178{
179 TRACE_(shell)("pidl=%p\n",pidl);
180
181 if (!pidl || !pidl->mkid.cb)
182 return 0;
183 ILFindLastID(pidl)->mkid.cb = 0;
184 return 1;
185}
186
187/*************************************************************************
188 * ILClone [SHELL32.18]
189 *
190 * NOTES
191 * dupicate an idlist
192 */
193LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
194{ DWORD len;
195 LPITEMIDLIST newpidl;
196
197 if (!pidl)
198 return NULL;
199
200 len = ILGetSize(pidl);
201 newpidl = (LPITEMIDLIST)SHAlloc(len);
202 if (newpidl)
203 memcpy(newpidl,pidl,len);
204
205 TRACE_(pidl)("pidl=%p newpidl=%p\n",pidl, newpidl);
206 pdump(pidl);
207
208 return newpidl;
209}
210/*************************************************************************
211 * ILCloneFirst [SHELL32.19]
212 *
213 * NOTES
214 * duplicates the first idlist of a complex pidl
215 */
216LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
217{ DWORD len;
218 LPITEMIDLIST pidlNew = NULL;
219
220 TRACE_(pidl)("pidl=%p \n",pidl);
221 pdump(pidl);
222
223 if (pidl)
224 {
225 len = pidl->mkid.cb;
226 pidlNew = (LPITEMIDLIST) SHAlloc (len+2);
227 if (pidlNew)
228 {
229 memcpy(pidlNew,pidl,len+2); /* 2 -> mind a desktop pidl */
230
231 if (len)
232 ILGetNext(pidlNew)->mkid.cb = 0x00;
233 }
234 }
235 TRACE_(pidl)("-- newpidl=%p\n",pidlNew);
236
237 return pidlNew;
238}
239/*************************************************************************
240 * ILLoadFromStream
241 *
242 * NOTES
243 * the first two bytes are the len, the pidl is following then
244 */
245HRESULT WINAPI ILLoadFromStream (IStream * pStream, LPITEMIDLIST * ppPidl)
246{ WORD wLen = 0;
247 DWORD dwBytesRead;
248 HRESULT ret = E_FAIL;
249
250
251 TRACE_(shell)("%p %p\n", pStream , ppPidl);
252
253 if (*ppPidl)
254 { SHFree(*ppPidl);
255 *ppPidl = NULL;
256 }
257
258 IStream_AddRef (pStream);
259
260 if (SUCCEEDED(IStream_Read(pStream, (LPVOID)&wLen, 2, &dwBytesRead)))
261 { *ppPidl = (ITEMIDLIST*)SHAlloc (wLen);
262 if (SUCCEEDED(IStream_Read(pStream, *ppPidl , wLen, &dwBytesRead)))
263 { ret = S_OK;
264 }
265 else
266 { SHFree(*ppPidl);
267 *ppPidl = NULL;
268 }
269 }
270
271 /* we are not jet fully compatible */
272 if (!pcheck(*ppPidl))
273 { SHFree(*ppPidl);
274 *ppPidl = NULL;
275 }
276
277
278 IStream_Release (pStream);
279
280 return ret;
281}
282/*************************************************************************
283 * SHILCreateFromPath [SHELL32.28]
284 *
285 * NOTES
286 * wraper for IShellFolder::ParseDisplayName()
287 */
288HRESULT WINAPI SHILCreateFromPathA (LPCSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
289{ LPSHELLFOLDER sf;
290 WCHAR lpszDisplayName[MAX_PATH];
291 DWORD pchEaten;
292 HRESULT ret = E_FAIL;
293
294 TRACE_(shell)("%s %p 0x%08lx\n",path,ppidl,attributes?*attributes:0);
295
296 LocalToWideChar(lpszDisplayName, (LPSTR)path, MAX_PATH);
297
298 if (SUCCEEDED (SHGetDesktopFolder(&sf)))
299 {
300 ret = IShellFolder_ParseDisplayName(sf,0, NULL,lpszDisplayName,&pchEaten,ppidl,attributes);
301 IShellFolder_Release(sf);
302 }
303 return ret;
304}
305HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD * attributes)
306{ LPSHELLFOLDER sf;
307 DWORD pchEaten;
308 HRESULT ret = E_FAIL;
309
310 TRACE_(shell)("%s %p 0x%08lx\n",debugstr_w(path),ppidl,attributes?*attributes:0);
311
312 if (SUCCEEDED (SHGetDesktopFolder(&sf)))
313 {
314 ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPOLESTR)path, &pchEaten, ppidl, attributes);
315 IShellFolder_Release(sf);
316 }
317 return ret;
318}
319HRESULT WINAPI SHILCreateFromPathAW (LPCVOID path, LPITEMIDLIST * ppidl, DWORD * attributes)
320{
321 if ( VERSION_OsIsUnicode())
322 return SHILCreateFromPathW ((LPCWSTR)path, ppidl, attributes);
323 return SHILCreateFromPathA ((LPCSTR)path, ppidl, attributes);
324}
325
326/*************************************************************************
327 * SHCloneSpecialIDList [SHELL32.89]
328 *
329 * PARAMETERS
330 * hwndOwner [in]
331 * nFolder [in] CSIDL_xxxxx ??
332 *
333 * RETURNS
334 * pidl ??
335 * NOTES
336 * exported by ordinal
337 */
338LPITEMIDLIST WINAPI SHCloneSpecialIDList(HWND hwndOwner,DWORD nFolder,DWORD x3)
339{ LPITEMIDLIST ppidl;
340 WARN_(shell)("(hwnd=0x%x,csidl=0x%lx,0x%lx):semi-stub.\n",
341 hwndOwner,nFolder,x3);
342
343 SHGetSpecialFolderLocation(hwndOwner, nFolder, &ppidl);
344
345 return ppidl;
346}
347
348/*************************************************************************
349 * ILGlobalClone [SHELL32.97]
350 *
351 */
352LPITEMIDLIST WINAPI ILGlobalClone(LPCITEMIDLIST pidl)
353{ DWORD len;
354 LPITEMIDLIST newpidl;
355
356 if (!pidl)
357 return NULL;
358
359 len = ILGetSize(pidl);
360 newpidl = (LPITEMIDLIST)pCOMCTL32_Alloc(len);
361 if (newpidl)
362 memcpy(newpidl,pidl,len);
363
364 TRACE_(pidl)("pidl=%p newpidl=%p\n",pidl, newpidl);
365 pdump(pidl);
366
367 return newpidl;
368}
369
370/*************************************************************************
371 * ILIsEqual [SHELL32.21]
372 *
373 */
374BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
375{
376 char szData1[MAX_PATH];
377 char szData2[MAX_PATH];
378
379 LPITEMIDLIST pidltemp1 = pidl1;
380 LPITEMIDLIST pidltemp2 = pidl2;
381
382 TRACE_(pidl)("pidl1=%p pidl2=%p\n",pidl1, pidl2);
383
384 /* explorer reads from registry directly (StreamMRU),
385 so we can only check here */
386 if ((!pcheck (pidl1)) || (!pcheck (pidl2))) return FALSE;
387
388 pdump (pidl1);
389 pdump (pidl2);
390
391 if ( (!pidl1) || (!pidl2) ) return FALSE;
392
393 while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
394 {
395 _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
396 _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
397
398 if (strcmp ( szData1, szData2 )!=0 )
399 return FALSE;
400
401 pidltemp1 = ILGetNext(pidltemp1);
402 pidltemp2 = ILGetNext(pidltemp2);
403 }
404
405 if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
406 {
407 return TRUE;
408 }
409
410 return FALSE;
411}
412/*************************************************************************
413 * ILIsParent [SHELL32.23]
414 *
415 * parent=a/b child=a/b/c -> true, c is in folder a/b
416 * child=a/b/c/d -> false if bImmediate is true, d is not in folder a/b
417 * child=a/b/c/d -> true if bImmediate is false, d is in a subfolder of a/b
418 */
419BOOL WINAPI ILIsParent( LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild, BOOL bImmediate)
420{
421 char szData1[MAX_PATH];
422 char szData2[MAX_PATH];
423
424 LPITEMIDLIST pParent = pidlParent;
425 LPITEMIDLIST pChild = pidlChild;
426
427 TRACE_(pidl)("%p %p %x\n", pidlParent, pidlChild, bImmediate);
428
429 while (pParent->mkid.cb && pChild->mkid.cb)
430 {
431 _ILSimpleGetText(pParent, szData1, MAX_PATH);
432 _ILSimpleGetText(pChild, szData2, MAX_PATH);
433
434 if (strcmp ( szData1, szData2 )!=0 )
435 return FALSE;
436
437 pParent = ILGetNext(pParent);
438 pChild = ILGetNext(pChild);
439 }
440
441 if ( pParent->mkid.cb || ! pChild->mkid.cb) /* child shorter or has equal length to parent */
442 return FALSE;
443
444 if ( ILGetNext(pChild)->mkid.cb && bImmediate) /* not immediate descent */
445 return FALSE;
446
447 return TRUE;
448}
449
450/*************************************************************************
451 * ILFindChild [SHELL32.24]
452 *
453 * NOTES
454 * Compares elements from pidl1 and pidl2.
455 *
456 * pidl1 is desktop pidl2
457 * pidl1 shorter pidl2 pointer to first different element of pidl2
458 * if there was at least one equal element
459 * pidl2 shorter pidl1 0
460 * pidl2 equal pidl1 pointer to last 0x00-element of pidl2
461 */
462LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
463{
464 char szData1[MAX_PATH];
465 char szData2[MAX_PATH];
466
467 LPITEMIDLIST pidltemp1 = pidl1;
468 LPITEMIDLIST pidltemp2 = pidl2;
469 LPITEMIDLIST ret=NULL;
470
471 TRACE_(pidl)("pidl1=%p pidl2=%p\n",pidl1, pidl2);
472
473 /* explorer reads from registry directly (StreamMRU),
474 so we can only check here */
475 if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
476 return FALSE;
477
478 pdump (pidl1);
479 pdump (pidl2);
480
481 if ( _ILIsDesktop(pidl1) )
482 {
483 ret = pidl2;
484 }
485 else
486 {
487 while (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
488 {
489 _ILSimpleGetText(pidltemp1, szData1, MAX_PATH);
490 _ILSimpleGetText(pidltemp2, szData2, MAX_PATH);
491
492 if (strcmp(szData1,szData2))
493 break;
494
495 pidltemp1 = ILGetNext(pidltemp1);
496 pidltemp2 = ILGetNext(pidltemp2);
497 ret = pidltemp2;
498 }
499
500 if (pidltemp1->mkid.cb)
501 {
502 ret = NULL; /* elements of pidl1 left*/
503 }
504 }
505 TRACE_(shell)("--- %p\n", ret);
506 return ret; /* pidl 1 is shorter */
507}
508
509/*************************************************************************
510 * ILCombine [SHELL32.25]
511 *
512 * NOTES
513 * Concatenates two complex idlists.
514 * The pidl is the first one, pidlsub the next one
515 * Does not destroy the passed in idlists!
516 */
517LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
518{
519 DWORD len1,len2;
520 LPITEMIDLIST pidlNew;
521
522 TRACE_(pidl)("pidl=%p pidl=%p\n",pidl1,pidl2);
523
524 if(!pidl1 && !pidl2) return NULL;
525
526 pdump (pidl1);
527 pdump (pidl2);
528
529 if(!pidl1)
530 {
531 pidlNew = ILClone(pidl2);
532 return pidlNew;
533 }
534
535 if(!pidl2)
536 {
537 pidlNew = ILClone(pidl1);
538 return pidlNew;
539 }
540
541 len1 = ILGetSize(pidl1)-2;
542 len2 = ILGetSize(pidl2);
543 pidlNew = (ITEMIDLIST*)SHAlloc(len1+len2);
544
545 if (pidlNew)
546 {
547 memcpy(pidlNew,pidl1,len1);
548 memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
549 }
550
551 /* TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
552 return pidlNew;
553}
554/*************************************************************************
555 * SHGetRealIDL [SHELL32.98]
556 *
557 * NOTES
558 */
559LPITEMIDLIST WINAPI SHGetRealIDL(LPSHELLFOLDER lpsf, LPITEMIDLIST pidl, DWORD z)
560{
561 FIXME_(pidl)("sf=%p pidl=%p 0x%04lx\n",lpsf,pidl,z);
562
563 pdump (pidl);
564 return 0;
565}
566
567/*************************************************************************
568 * SHLogILFromFSIL [SHELL32.95]
569 *
570 * NOTES
571 * pild = CSIDL_DESKTOP ret = 0
572 * pild = CSIDL_DRIVES ret = 0
573 */
574LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
575{
576 FIXME_(pidl)("(pidl=%p)\n",pidl);
577
578 pdump(pidl);
579
580 return 0;
581}
582
583/*************************************************************************
584 * ILGetSize [SHELL32.152]
585 * gets the byte size of an idlist including zero terminator (pidl)
586 *
587 * PARAMETERS
588 * pidl ITEMIDLIST
589 *
590 * RETURNS
591 * size of pidl
592 *
593 * NOTES
594 * exported by ordinal
595 */
596DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
597{
598 LPSHITEMID si = &(pidl->mkid);
599 DWORD len=0;
600
601 if (pidl)
602 { while (si->cb)
603 { len += si->cb;
604 si = (LPSHITEMID)(((LPBYTE)si)+si->cb);
605 }
606 len += 2;
607 }
608 TRACE_(pidl)("pidl=%p size=%lu\n",pidl, len);
609 return len;
610}
611
612/*************************************************************************
613 * ILGetNext [SHELL32.153]
614 * gets the next simple pidl of a complex pidl
615 *
616 * observed return values:
617 * null -> null
618 * desktop -> null
619 * simple pidl -> pointer to 0x0000 element
620 *
621 */
622LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
623{
624 WORD len;
625
626 TRACE_(pidl)("(pidl=%p)\n",pidl);
627
628 if(pidl)
629 {
630 len = pidl->mkid.cb;
631 if (len)
632 {
633 pidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
634 return pidl;
635 }
636 }
637 return NULL;
638}
639/*************************************************************************
640 * ILAppend [SHELL32.154]
641 *
642 * NOTES
643 * Adds the single item to the idlist indicated by pidl.
644 * if bEnd is 0, adds the item to the front of the list,
645 * otherwise adds the item to the end. (???)
646 * Destroys the passed in idlist! (???)
647 */
648LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL bEnd)
649{
650 LPITEMIDLIST idlRet;
651
652 WARN_(pidl)("(pidl=%p,pidl=%p,%08u)semi-stub\n",pidl,item,bEnd);
653
654 pdump (pidl);
655 pdump (item);
656
657 if (_ILIsDesktop(pidl))
658 {
659 idlRet = ILClone(item);
660 if (pidl)
661 SHFree (pidl);
662 return idlRet;
663 }
664
665 if (bEnd)
666 {
667 idlRet=ILCombine(pidl,item);
668 }
669 else
670 {
671 idlRet=ILCombine(item,pidl);
672 }
673
674 SHFree(pidl);
675 return idlRet;
676}
677/*************************************************************************
678 * ILFree [SHELL32.155]
679 *
680 * NOTES
681 * free_check_ptr - frees memory (if not NULL)
682 * allocated by SHMalloc allocator
683 * exported by ordinal
684 */
685DWORD WINAPI ILFree(LPITEMIDLIST pidl)
686{ TRACE_(pidl)("(pidl=0x%08lx)\n",(DWORD)pidl);
687
688 if (!pidl)
689 return FALSE;
690
691 return SHFree(pidl);
692}
693/*************************************************************************
694 * ILGlobalFree [SHELL32.156]
695 *
696 */
697DWORD WINAPI ILGlobalFree( LPITEMIDLIST pidl)
698{
699 TRACE_(pidl)("%p\n",pidl);
700
701 if (!pidl)
702 return FALSE;
703
704 return pCOMCTL32_Free (pidl);
705}
706/*************************************************************************
707 * ILCreateFromPath [SHELL32.157]
708 *
709 */
710LPITEMIDLIST WINAPI ILCreateFromPathA (LPCSTR path)
711{
712 LPITEMIDLIST pidlnew;
713 DWORD attributes = 0;
714
715 TRACE_(shell)("%s\n",path);
716
717 if (SUCCEEDED (SHILCreateFromPathA (path, &pidlnew, &attributes)))
718 return pidlnew;
719 return FALSE;
720}
721LPITEMIDLIST WINAPI ILCreateFromPathW (LPCWSTR path)
722{
723 LPITEMIDLIST pidlnew;
724 DWORD attributes = 0;
725
726 TRACE_(shell)("%s\n",debugstr_w(path));
727
728 if (SUCCEEDED (SHILCreateFromPathW (path, &pidlnew, &attributes)))
729 return pidlnew;
730 return FALSE;
731}
732LPITEMIDLIST WINAPI ILCreateFromPathAW (LPCVOID path)
733{
734 if ( VERSION_OsIsUnicode())
735 return ILCreateFromPathW ((LPCWSTR)path);
736 return ILCreateFromPathA ((LPCSTR)path);
737}
738/*************************************************************************
739 * SHSimpleIDListFromPath [SHELL32.162]
740 */
741LPITEMIDLIST WINAPI SHSimpleIDListFromPathA (LPSTR lpszPath)
742{
743 LPITEMIDLIST pidl=NULL;
744 HANDLE hFile;
745 WIN32_FIND_DATAA stffile;
746
747 TRACE_(pidl)("path=%s\n", lpszPath);
748
749 if (!lpszPath) return NULL;
750
751 hFile = FindFirstFileA(lpszPath, &stffile);
752
753 if ( hFile != INVALID_HANDLE_VALUE )
754 {
755 if (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
756 {
757 pidl = _ILCreateFolder (&stffile);
758 }
759 else
760 {
761 pidl = _ILCreateValue (&stffile);
762 }
763 FindClose (hFile);
764 }
765 return pidl;
766}
767LPITEMIDLIST WINAPI SHSimpleIDListFromPathW (LPWSTR lpszPath)
768{
769 char lpszTemp[MAX_PATH];
770 TRACE_(pidl)("path=L%s\n",debugstr_w(lpszPath));
771
772 WideCharToLocal(lpszTemp, lpszPath, MAX_PATH);
773
774 return SHSimpleIDListFromPathA (lpszTemp);
775}
776
777LPITEMIDLIST WINAPI SHSimpleIDListFromPathAW (LPVOID lpszPath)
778{
779 if ( VERSION_OsIsUnicode())
780 return SHSimpleIDListFromPathW ((LPWSTR)lpszPath);
781 return SHSimpleIDListFromPathA ((LPSTR)lpszPath);
782}
783
784/*************************************************************************
785 * SHGetSpecialFolderLocation [SHELL32.223]
786 *
787 * gets the folder locations from the registry and creates a pidl
788 * creates missing reg keys and directorys
789 *
790 * PARAMS
791 * hwndOwner [I]
792 * nFolder [I] CSIDL_xxxxx
793 * ppidl [O] PIDL of a special folder
794 *
795 */
796HRESULT WINAPI SHGetSpecialFolderLocation(
797 HWND hwndOwner,
798 INT nFolder,
799 LPITEMIDLIST * ppidl)
800{
801 CHAR szPath[256];
802 HRESULT hr = E_INVALIDARG;
803
804 TRACE_(shell)("(%04x,0x%x,%p)\n", hwndOwner,nFolder,ppidl);
805
806 *ppidl = NULL;
807
808 if (ppidl)
809 {
810 switch (nFolder)
811 {
812 case CSIDL_DESKTOP:
813 *ppidl = _ILCreateDesktop();
814 hr = NOERROR;
815 break;
816
817 case CSIDL_DRIVES:
818 *ppidl = _ILCreateMyComputer();
819 hr = NOERROR;
820 break;
821
822 default:
823 if (SHGetSpecialFolderPathA(hwndOwner, szPath, nFolder, TRUE))
824 {
825 DWORD attributes=0;
826 TRACE_(shell)("Value=%s\n",szPath);
827 hr = SHILCreateFromPathA(szPath, ppidl, &attributes);
828 }
829 }
830 }
831
832 TRACE_(shell)("-- (new pidl %p)\n",*ppidl);
833 return hr;
834}
835
836/*************************************************************************
837 * SHGetDataFromIDListA [SHELL32.247]
838 *
839 */
840HRESULT WINAPI SHGetDataFromIDListA(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
841{
842 TRACE_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
843
844 if (! psf || !dest ) return E_INVALIDARG;
845
846 switch (nFormat)
847 {
848 case SHGDFIL_FINDDATA:
849 {
850 WIN32_FIND_DATAA * pfd = (WIN32_FIND_DATAA*)dest;
851 CHAR pszPath[MAX_PATH];
852 HANDLE handle;
853
854 if ( len < sizeof (WIN32_FIND_DATAA))
855 return E_INVALIDARG;
856
857 SHGetPathFromIDListA(pidl, pszPath);
858
859 if ((handle = FindFirstFileA ( pszPath, pfd)))
860 FindClose (handle);
861 }
862 return NOERROR;
863
864 case SHGDFIL_NETRESOURCE:
865 case SHGDFIL_DESCRIPTIONID:
866 FIXME_(shell)("SHGDFIL %i stub\n", nFormat);
867 break;
868
869 default:
870 ERR_(shell)("Unknown SHGDFIL %i, please report\n", nFormat);
871 }
872
873 return E_INVALIDARG;
874}
875/*************************************************************************
876 * SHGetDataFromIDListW [SHELL32.247]
877 *
878 */
879HRESULT WINAPI SHGetDataFromIDListW(LPSHELLFOLDER psf, LPCITEMIDLIST pidl, int nFormat, LPVOID dest, int len)
880{
881 FIXME_(shell)("sf=%p pidl=%p 0x%04x %p 0x%04x stub\n",psf,pidl,nFormat,dest,len);
882
883 return SHGetDataFromIDListA( psf, pidl, nFormat, dest, len);
884}
885
886/*************************************************************************
887 * SHGetPathFromIDListA [SHELL32.261][NT 4.0: SHELL32.220]
888 *
889 * PARAMETERS
890 * pidl, [IN] pidl
891 * pszPath [OUT] path
892 *
893 * RETURNS
894 * path from a passed PIDL.
895 *
896 * NOTES
897 * NULL returns FALSE
898 * desktop pidl gives path to desktopdirectory back
899 * special pidls returning FALSE
900 *
901 * FIXME
902 * fnGetDisplayNameOf can return different types of OLEString
903 */
904BOOL WINAPI SHGetPathFromIDListA (LPCITEMIDLIST pidl,LPSTR pszPath)
905{ STRRET str;
906 LPSHELLFOLDER shellfolder;
907
908 TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
909
910 if (!pidl) return FALSE;
911
912 pdump(pidl);
913
914 if(_ILIsDesktop(pidl))
915 {
916 SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOPDIRECTORY, FALSE);
917 }
918 else
919 {
920 if (SHGetDesktopFolder(&shellfolder)==S_OK)
921 {
922 IShellFolder_GetDisplayNameOf(shellfolder,pidl,SHGDN_FORPARSING,&str);
923 StrRetToStrNA (pszPath, MAX_PATH, &str, pidl);
924 IShellFolder_Release(shellfolder);
925 }
926 }
927 TRACE_(shell)("-- (%s)\n",pszPath);
928
929 return TRUE;
930}
931/*************************************************************************
932 * SHGetPathFromIDListW [SHELL32.262]
933 */
934BOOL WINAPI SHGetPathFromIDListW (LPCITEMIDLIST pidl,LPWSTR pszPath)
935{ char sTemp[MAX_PATH];
936
937 TRACE_(shell)("(pidl=%p)\n", pidl);
938
939 SHGetPathFromIDListA (pidl, sTemp);
940 lstrcpyAtoW(pszPath, sTemp);
941
942 TRACE_(shell)("-- (%s)\n",debugstr_w(pszPath));
943
944 return TRUE;
945}
946
947/*************************************************************************
948 * SHBindToParent [shell version 5.0]
949 */
950HRESULT WINAPI SHBindToParent(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv, LPCITEMIDLIST *ppidlLast)
951{
952 IShellFolder * psf;
953 LPITEMIDLIST pidlChild, pidlParent;
954 HRESULT hr=E_FAIL;
955
956 TRACE_(shell)("pidl=%p\n", pidl);
957 pdump(pidl);
958
959 *ppv = NULL;
960 if (ppidlLast) *ppidlLast = NULL;
961
962 if (_ILIsPidlSimple(pidl))
963 {
964 /* we are on desktop level */
965 if (ppidlLast)
966 *ppidlLast = ILClone(pidl);
967 hr = SHGetDesktopFolder((IShellFolder**)ppv);
968 }
969 else
970 {
971 pidlChild = ILClone(ILFindLastID(pidl));
972 pidlParent = ILClone(pidl);
973 ILRemoveLastID(pidlParent);
974
975 hr = SHGetDesktopFolder(&psf);
976
977 if (SUCCEEDED(hr))
978 hr = IShellFolder_BindToObject(psf, pidlParent, NULL, riid, ppv);
979
980 if (SUCCEEDED(hr) && ppidlLast)
981 *ppidlLast = pidlChild;
982 else
983 ILFree (pidlChild);
984
985 SHFree (pidlParent);
986 }
987
988
989 TRACE_(shell)("-- psf=%p pidl=%p ret=0x%08lx\n", *ppv, (ppidlLast)?*ppidlLast:NULL, hr);
990 return hr;
991}
992
993/*************************************************************************
994 * SHGetPathFromIDListAW [SHELL32.221][NT 4.0: SHELL32.219]
995 */
996BOOL WINAPI SHGetPathFromIDListAW(LPCITEMIDLIST pidl,LPVOID pszPath)
997{
998 TRACE_(shell)("(pidl=%p,%p)\n",pidl,pszPath);
999
1000 if (VERSION_OsIsUnicode())
1001 return SHGetPathFromIDListW(pidl,(LPWSTR)pszPath);
1002 return SHGetPathFromIDListA(pidl,(LPSTR)pszPath);
1003}
1004
1005/**************************************************************************
1006 *
1007 * internal functions
1008 *
1009 * ### 1. section creating pidls ###
1010 *
1011 *************************************************************************
1012 * _ILCreateDesktop()
1013 * _ILCreateIExplore()
1014 * _ILCreateMyComputer()
1015 * _ILCreateDrive()
1016 * _ILCreateFolder()
1017 * _ILCreateValue()
1018 */
1019LPITEMIDLIST WINAPI _ILCreateDesktop()
1020{ TRACE_(pidl)("()\n");
1021 return _ILCreate(PT_DESKTOP, NULL, 0);
1022}
1023
1024LPITEMIDLIST WINAPI _ILCreateMyComputer()
1025{ TRACE_(pidl)("()\n");
1026 return _ILCreate(PT_MYCOMP, &IID_MyComputer, sizeof(GUID));
1027}
1028
1029LPITEMIDLIST WINAPI _ILCreateIExplore()
1030{ TRACE_(pidl)("()\n");
1031 return _ILCreate(PT_MYCOMP, &IID_IExplore, sizeof(GUID));
1032}
1033
1034LPITEMIDLIST WINAPI _ILCreateDrive( LPCSTR lpszNew)
1035{ char sTemp[4];
1036 lstrcpynA (sTemp,lpszNew,4);
1037 sTemp[2]='\\';
1038 sTemp[3]=0x00;
1039 TRACE_(pidl)("(%s)\n",sTemp);
1040 return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
1041}
1042
1043LPITEMIDLIST WINAPI _ILCreateFolder( WIN32_FIND_DATAA * stffile )
1044{
1045 char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1046 char * pbuff = buff;
1047 ULONG len, len1;
1048 LPITEMIDLIST pidl;
1049
1050 TRACE_(pidl)("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1051
1052 /* prepare buffer with both names */
1053 len = strlen (stffile->cFileName) + 1;
1054 memcpy (pbuff, stffile->cFileName, len);
1055 pbuff += len;
1056
1057 if (stffile->cAlternateFileName)
1058 {
1059 len1 = strlen (stffile->cAlternateFileName)+1;
1060 memcpy (pbuff, stffile->cAlternateFileName, len1);
1061 }
1062 else
1063 {
1064 len1 = 1;
1065 *pbuff = 0x00;
1066 }
1067
1068 pidl = _ILCreate(PT_FOLDER, (LPVOID)buff, len + len1);
1069
1070 /* set attributes */
1071 if (pidl)
1072 {
1073 LPPIDLDATA pData;
1074 pData = _ILGetDataPointer(pidl);
1075 FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1076 pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1077 pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1078 }
1079
1080 return pidl;
1081}
1082
1083LPITEMIDLIST WINAPI _ILCreateValue(WIN32_FIND_DATAA * stffile)
1084{
1085 char buff[MAX_PATH + 14 +1]; /* see WIN32_FIND_DATA */
1086 char * pbuff = buff;
1087 ULONG len, len1;
1088 LPITEMIDLIST pidl;
1089
1090 TRACE_(pidl)("(%s, %s)\n",stffile->cAlternateFileName, stffile->cFileName);
1091
1092 /* prepare buffer with both names */
1093 len = strlen (stffile->cFileName) + 1;
1094 memcpy (pbuff, stffile->cFileName, len);
1095 pbuff += len;
1096
1097 if (stffile->cAlternateFileName)
1098 {
1099 len1 = strlen (stffile->cAlternateFileName)+1;
1100 memcpy (pbuff, stffile->cAlternateFileName, len1);
1101 }
1102 else
1103 {
1104 len1 = 1;
1105 *pbuff = 0x00;
1106 }
1107
1108 pidl = _ILCreate(PT_VALUE, (LPVOID)buff, len + len1);
1109
1110 /* set attributes */
1111 if (pidl)
1112 {
1113 LPPIDLDATA pData;
1114 pData = _ILGetDataPointer(pidl);
1115 FileTimeToDosDateTime(&(stffile->ftLastWriteTime),&pData->u.folder.uFileDate,&pData->u.folder.uFileTime);
1116 pData->u.folder.dwFileSize = stffile->nFileSizeLow;
1117 pData->u.folder.uFileAttribs=stffile->dwFileAttributes;
1118 }
1119
1120 return pidl;
1121}
1122
1123LPITEMIDLIST WINAPI _ILCreateSpecial(LPCSTR szGUID)
1124{
1125 IID iid;
1126 CLSIDFromString16(szGUID,&iid);
1127 return _ILCreate(PT_MYCOMP, &iid, sizeof(IID));
1128}
1129
1130/**************************************************************************
1131 * _ILCreate()
1132 * Creates a new PIDL
1133 * type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
1134 * pIn = data
1135 * uInSize = size of data (raw)
1136 */
1137
1138LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT16 uInSize)
1139{ LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
1140 LPPIDLDATA pData;
1141 UINT16 uSize = 0;
1142 LPSTR pszDest;
1143
1144 TRACE_(pidl)("(0x%02x %p %i)\n",type,pIn,uInSize);
1145
1146 switch (type)
1147 { case PT_DESKTOP:
1148 uSize = 0;
1149 pidlOut = (ITEMIDLIST*)SHAlloc(uSize + 2);
1150 pidlOut->mkid.cb = uSize;
1151 TRACE_(pidl)("- create Desktop\n");
1152 break;
1153
1154 case PT_MYCOMP:
1155 uSize = 2 + 2 + sizeof(GUID);
1156 pidlOut = (ITEMIDLIST*)SHAlloc(uSize + 2);
1157 ZeroMemory(pidlOut, uSize + 2);
1158 pidlOut->mkid.cb = uSize;
1159 pData =_ILGetDataPointer(pidlOut);
1160 pData->type = type;
1161 memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
1162 TRACE_(pidl)("- create GUID-pidl\n");
1163 break;
1164
1165 case PT_DRIVE:
1166 uSize = 2 + 23;
1167 pidlOut = (ITEMIDLIST*)SHAlloc(uSize + 2);
1168 ZeroMemory(pidlOut, uSize + 2);
1169 pidlOut->mkid.cb = uSize;
1170 pData =_ILGetDataPointer(pidlOut);
1171 pData->type = type;
1172 pszDest = _ILGetTextPointer(type, pData);
1173 memcpy(pszDest, pIn, uInSize);
1174 TRACE_(pidl)("- create Drive: %s\n",debugstr_a(pszDest));
1175 break;
1176
1177 case PT_FOLDER:
1178 case PT_VALUE:
1179 uSize = 2 + 12 + uInSize;
1180 pidlOut = (ITEMIDLIST*)SHAlloc(uSize + 2);
1181 ZeroMemory(pidlOut, uSize + 2);
1182 pidlOut->mkid.cb = uSize;
1183 pData =_ILGetDataPointer(pidlOut);
1184 pData->type = type;
1185 pszDest = _ILGetTextPointer(type, pData);
1186 memcpy(pszDest, pIn, uInSize);
1187 TRACE_(pidl)("- create Value: %s\n",debugstr_a(pszDest));
1188 break;
1189 }
1190
1191 pidlTemp = ILGetNext(pidlOut);
1192 if (pidlTemp)
1193 pidlTemp->mkid.cb = 0x00;
1194
1195 TRACE_(pidl)("-- (pidl=%p, size=%u)\n", pidlOut, uSize);
1196 return pidlOut;
1197}
1198
1199/**************************************************************************
1200 * _ILGetDrive()
1201 *
1202 * Gets the text for the drive eg. 'c:\'
1203 *
1204 * RETURNS
1205 * strlen (lpszText)
1206 */
1207DWORD WINAPI _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT16 uSize)
1208{ TRACE_(pidl)("(%p,%p,%u)\n",pidl,pOut,uSize);
1209
1210 if(_ILIsMyComputer(pidl))
1211 pidl = ILGetNext(pidl);
1212
1213 if (pidl && _ILIsDrive(pidl))
1214 return _ILSimpleGetText(pidl, pOut, uSize);
1215
1216 return 0;
1217}
1218
1219/**************************************************************************
1220 *
1221 * ### 2. section testing pidls ###
1222 *
1223 **************************************************************************
1224 * _ILIsDesktop()
1225 * _ILIsMyComputer()
1226 * _ILIsSpecialFolder()
1227 * _ILIsDrive()
1228 * _ILIsFolder()
1229 * _ILIsValue()
1230 * _ILIsPidlSimple()
1231 */
1232BOOL WINAPI _ILIsDesktop(LPCITEMIDLIST pidl)
1233{ TRACE_(pidl)("(%p)\n",pidl);
1234 return ( !pidl || (pidl && pidl->mkid.cb == 0x00) );
1235}
1236
1237BOOL WINAPI _ILIsMyComputer(LPCITEMIDLIST pidl)
1238{
1239 REFIID iid = _ILGetGUIDPointer(pidl);
1240
1241 TRACE_(pidl)("(%p)\n",pidl);
1242
1243 if (iid)
1244 return IsEqualIID(iid, &IID_MyComputer);
1245 return FALSE;
1246}
1247
1248BOOL WINAPI _ILIsSpecialFolder (LPCITEMIDLIST pidl)
1249{
1250 LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1251 TRACE_(pidl)("(%p)\n",pidl);
1252 return (pidl && ( (lpPData && (PT_MYCOMP== lpPData->type || PT_SPECIAL== lpPData->type)) ||
1253 (pidl && pidl->mkid.cb == 0x00)
1254 ));
1255}
1256
1257BOOL WINAPI _ILIsDrive(LPCITEMIDLIST pidl)
1258{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1259 TRACE_(pidl)("(%p)\n",pidl);
1260 return (pidl && lpPData && (PT_DRIVE == lpPData->type ||
1261 PT_DRIVE1 == lpPData->type ||
1262 PT_DRIVE2 == lpPData->type ||
1263 PT_DRIVE3 == lpPData->type));
1264}
1265
1266BOOL WINAPI _ILIsFolder(LPCITEMIDLIST pidl)
1267{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1268 TRACE_(pidl)("(%p)\n",pidl);
1269 return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
1270}
1271
1272BOOL WINAPI _ILIsValue(LPCITEMIDLIST pidl)
1273{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
1274 TRACE_(pidl)("(%p)\n",pidl);
1275 return (pidl && lpPData && PT_VALUE == lpPData->type);
1276}
1277
1278/**************************************************************************
1279 * _ILIsPidlSimple
1280 */
1281BOOL WINAPI _ILIsPidlSimple ( LPCITEMIDLIST pidl)
1282{
1283 BOOL ret = TRUE;
1284
1285 if(! _ILIsDesktop(pidl)) /* pidl=NULL or mkid.cb=0 */
1286 {
1287 WORD len = pidl->mkid.cb;
1288 LPCITEMIDLIST pidlnext = (LPCITEMIDLIST) (((LPBYTE)pidl) + len );
1289 if (pidlnext->mkid.cb)
1290 ret = FALSE;
1291 }
1292
1293 TRACE_(pidl)("%s\n", ret ? "Yes" : "No");
1294 return ret;
1295}
1296
1297/**************************************************************************
1298 *
1299 * ### 3. section getting values from pidls ###
1300 */
1301
1302 /**************************************************************************
1303 * _ILSimpleGetText
1304 *
1305 * gets the text for the first item in the pidl (eg. simple pidl)
1306 *
1307 * returns the lenght of the string
1308 */
1309DWORD WINAPI _ILSimpleGetText (LPCITEMIDLIST pidl, LPSTR szOut, UINT uOutSize)
1310{
1311 LPPIDLDATA pData;
1312 DWORD dwReturn=0;
1313 LPSTR szSrc;
1314 GUID const * riid;
1315 char szTemp[MAX_PATH];
1316
1317 TRACE_(pidl)("(%p %p %x)\n",pidl,szOut,uOutSize);
1318
1319 if (!pidl) return 0;
1320
1321 if (szOut)
1322 *szOut = 0;
1323
1324 pData = _ILGetDataPointer(pidl);
1325
1326 if (!pData)
1327 {
1328 /* desktop */
1329 if (HCR_GetClassName(&CLSID_ShellDesktop, szTemp, MAX_PATH))
1330 {
1331 if (szOut)
1332 lstrcpynA(szOut, szTemp, uOutSize);
1333
1334 dwReturn = strlen (szTemp);
1335 }
1336 }
1337 else if (( szSrc = _ILGetTextPointer(pData->type, pData) ))
1338 {
1339 /* filesystem */
1340 if (szOut)
1341 lstrcpynA(szOut, szSrc, MAX_PATH);
1342
1343 dwReturn = strlen(szSrc);
1344 }
1345 else if (( riid = _ILGetGUIDPointer(pidl) ))
1346 {
1347 /* special folder */
1348 if ( HCR_GetClassName(riid, szTemp, MAX_PATH) )
1349 {
1350 if (szOut)
1351 lstrcpynA(szOut, szTemp, uOutSize);
1352
1353 dwReturn = strlen (szTemp);
1354 }
1355 }
1356 else
1357 {
1358 ERR_(pidl)("-- no text\n");
1359 }
1360
1361 TRACE_(pidl)("-- (%p=%s 0x%08lx)\n",szOut,(char*)szOut,dwReturn);
1362 return dwReturn;
1363}
1364
1365/**************************************************************************
1366 *
1367 * ### 4. getting pointers to parts of pidls ###
1368 *
1369 **************************************************************************
1370 * _ILGetDataPointer()
1371 */
1372LPPIDLDATA WINAPI _ILGetDataPointer(LPITEMIDLIST pidl)
1373{
1374 if(pidl && pidl->mkid.cb != 0x00)
1375 return (LPPIDLDATA) &(pidl->mkid.abID);
1376 return NULL;
1377}
1378
1379/**************************************************************************
1380 * _ILGetTextPointer()
1381 * gets a pointer to the long filename string stored in the pidl
1382 */
1383LPSTR WINAPI _ILGetTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
1384{/* TRACE(pidl,"(type=%x data=%p)\n", type, pidldata);*/
1385
1386 if(!pidldata)
1387 { return NULL;
1388 }
1389
1390 switch (type)
1391 {
1392 case PT_MYCOMP:
1393 case PT_SPECIAL:
1394 return NULL;
1395
1396 case PT_DRIVE:
1397 case PT_DRIVE1:
1398 case PT_DRIVE2:
1399 case PT_DRIVE3:
1400 return (LPSTR)&(pidldata->u.drive.szDriveName);
1401
1402 case PT_FOLDER:
1403 case PT_FOLDER1:
1404 case PT_VALUE:
1405 case PT_IESPECIAL:
1406 return (LPSTR)&(pidldata->u.file.szNames);
1407
1408 case PT_WORKGRP:
1409 case PT_COMP:
1410 case PT_NETWORK:
1411 case PT_SHARE:
1412 return (LPSTR)&(pidldata->u.network.szNames);
1413 }
1414 return NULL;
1415}
1416
1417/**************************************************************************
1418 * _ILGetSTextPointer()
1419 * gets a pointer to the short filename string stored in the pidl
1420 */
1421LPSTR WINAPI _ILGetSTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
1422{/* TRACE(pidl,"(type=%x data=%p)\n", type, pidldata);*/
1423
1424 if(!pidldata)
1425 return NULL;
1426
1427 switch (type)
1428 {
1429 case PT_FOLDER:
1430 case PT_VALUE:
1431 case PT_IESPECIAL:
1432 return (LPSTR)(pidldata->u.file.szNames + strlen (pidldata->u.file.szNames) + 1);
1433
1434 case PT_WORKGRP:
1435 return (LPSTR)(pidldata->u.network.szNames + strlen (pidldata->u.network.szNames) + 1);
1436 }
1437 return NULL;
1438}
1439
1440/**************************************************************************
1441 * _ILGetGUIDPointer()
1442 *
1443 * returns reference to guid stored in some pidls
1444 */
1445REFIID WINAPI _ILGetGUIDPointer(LPCITEMIDLIST pidl)
1446{
1447 LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1448
1449 if (pdata)
1450 {
1451 switch (pdata->type)
1452 {
1453 case PT_SPECIAL:
1454 case PT_MYCOMP:
1455 return (REFIID) &(pdata->u.mycomp.guid);
1456 }
1457 }
1458 return NULL;
1459}
1460
1461BOOL WINAPI _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1462{ LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1463 FILETIME ft;
1464 SYSTEMTIME time;
1465
1466 switch (pdata->type)
1467 { case PT_FOLDER:
1468 DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, &ft);
1469 break;
1470 case PT_VALUE:
1471 DosDateTimeToFileTime(pdata->u.file.uFileDate, pdata->u.file.uFileTime, &ft);
1472 break;
1473 default:
1474 return FALSE;
1475 }
1476 FileTimeToSystemTime (&ft, &time);
1477 return GetDateFormatA(LOCALE_USER_DEFAULT,DATE_SHORTDATE,&time, NULL, pOut, uOutSize);
1478}
1479
1480BOOL WINAPI _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1481{ LPPIDLDATA pdata =_ILGetDataPointer(pidl);
1482
1483 switch (pdata->type)
1484 { case PT_VALUE:
1485 break;
1486 default:
1487 return FALSE;
1488 }
1489 StrFormatByteSizeA(pdata->u.file.dwFileSize, pOut, uOutSize);
1490 return TRUE;
1491}
1492
1493BOOL WINAPI _ILGetExtension (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
1494{
1495 char szTemp[MAX_PATH];
1496 const char * pPoint;
1497 LPITEMIDLIST pidlTemp=pidl;
1498
1499 TRACE_(pidl)("pidl=%p\n",pidl);
1500
1501 if (!pidl) return FALSE;
1502
1503 pidlTemp = ILFindLastID(pidl);
1504
1505 if (!_ILIsValue(pidlTemp)) return FALSE;
1506 if (!_ILSimpleGetText(pidlTemp, szTemp, MAX_PATH)) return FALSE;
1507
1508 pPoint = PathFindExtensionA(szTemp);
1509
1510 if (! *pPoint) return FALSE;
1511
1512 pPoint++;
1513 lstrcpynA(pOut, pPoint, uOutSize);
1514 TRACE_(pidl)("%s\n",pOut);
1515
1516 return TRUE;
1517}
1518
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